Awatermelon is blown into three pieces by a large firecracker. two pieces of equal mass m fly away perpendicular to one another, one in the x direction another in the y direction. both of these pieces fly away with a speed of v = 31 m/s. the third piece has three times the mass of the other two pieces.

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?